To find the answer look for opinions where 1 person can't have multiple.
Add them all up and you'll get your answer, there are 33 total colleagues in the group.
Answer:
( 1, -3 )
Step-by-step explanation:

An obtuse angle because an obtuse is an angle that is greater than 90 degrees but less than 180.
Answer:
no his prediction is not correct. there would be 90 window panes
Step-by-step explanation:
12 panes in 2 windows so 1 window has 6 panes. multiply the 15 windows by 6 panes to get the total of 90 panes
12/2=6
6x15=90